Adjustable offset disc harrow frame



FIG. 1 is a perspective view of an adjustable offset disc harrow frame showing my new design, the broken lines showing the installed harrow disc are for illustrative purposes only and form no part of the claimed design;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a front view thereof;

FIG. 7 is a back view thereof;

FIG. 8 is a top view thereof, the support shown in a modified position. 

The ornamental design for an adjustable offset disc harrow frame, as shown and described. 